The left ventricle is one of four chambers (two atria and two ventricles) in the human heart. It receives oxygenated blood from the left atrium via the mitral valve, and pumps it into the aorta via the aortic valve.
Read more about Left Ventricle: Shape, Development, Function, Pumping Volume, Additional Images
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“Realizing that his time was nearly spent, he gave full oral instructions about his burial and the manner in which he wished to be remembered.... A few minutes later, feeling very tired, he left the room, remarking, ‘I have no disposition to leave this precious circle. I love to be here surrounded by my family and friends.’ Then he gave them his blessing and said, ‘I am ready to go and I wish you goodnight.’”
—For the State of New Hampshire, U.S. public relief program (1935-1943)